In simple terms, a KVM switch allows you to switch between different computer sources (or computer cases) while still using the same keyboard, monitor, and mouse; in fact, that's what KVM stands for: Keyboard, Video, Mouse. That means if you have several PCs you need to work with, you don't have to. A KVM switch is a hub device that takes in multiple inputs (e., keyboard and mouse) and routes them to multiple outputs (i. The exclusive feature offers IT administrators centralized real-time updating and maintenance.